Why bluetooth connection among my lumia 535 and win 10 pc losses after 2 seconds???

Hello guyzz pls help me... I used my pc to play musics from my old phone via BT... but now I bought a new lumia.. I can't connect it to my pc, connection losses after 2 seconds... But I can transfer files... Please help me

Phone os- windows phone 8.1 denim

pc- Windows 10 pro

Please don't cross-post the same question to multiple sections of the forum. Ask once in the most relevant section and wait for responses.

Thank you.

sorry pete